A context is an immutable container for per-request data that must be propagated through layers that ...
Context()=default
Same as Context::empty(), please use Context::empty() instead.
Context clone() const
Clone this context object.
static const Context & current()
Returns the context for the current thread, creating it if needed.
static Context swapCurrent(Context Replacement)
static Context empty()
Returns an empty root context that contains no data.